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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 6 months ago
Dependency-aware reordering for parallelizing query optimization in multi-core CPUs
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
Wook-Shin Han, Jinsoo Lee
SECON
2008
IEEE
14 years 5 months ago
Predictive or Oblivious: A Comparative Study of Routing Strategies for Wireless Mesh Networks under Uncertain Demand
—Traffic routing plays a critical role in determining the performance of a wireless mesh network. To investigate the best solution, existing work proposes to formulate the mesh ...
Jonathan Wellons, Liang Dai, Yuan Xue, Yi Cui
SECON
2008
IEEE
14 years 5 months ago
A Multi-AP Architecture for High-Density WLANs: Protocol Design and Experimental Evaluation
—Fast proliferation of IEEE 802.11 wireless devices has led to the emergence of High-Density (HD) Wireless Local Area Networks (WLANs), where it is challenging to improve the thr...
Yanfeng Zhu, Zhisheng Niu, Qian Zhang, Bo Tan, Zhi...
SECON
2007
IEEE
14 years 5 months ago
The Optimum Number of OSPF Areas for MANETs
—Mobile ad hoc networks (MANETs) are a critical technology in filling the gap where the network infrastructure is insufficient or does not exist at all. The dynamic topology of...
Jangeun Jun, Mihail L. Sichitiu, Hector D. Flores,...
INFOCOM
2006
IEEE
14 years 5 months ago
Designing Low Cost Networks with Short Routes and Low Congestion
— We design network topologies and routing strategies which optimize several measures simultaneously: low cost, small routing diameter , bounded degree and low congestion. This s...
Van Nguyen, Charles U. Martel